Specifications
Dimensions
- Inside Diameter6.475 in
- Outside Diameter7.025 in
Details
- Additional Details8-439 BUNA-N BACKUP RING
- Cross Section0.275 in
- Cross Section Tolerance+/-0.006 in
- Durometer90 Durometer
- Hardness90 Shore D
- Inside Diameter Tolerance+/-0.040 in
- MaterialNitrile (Buna) Rubber
- Method SoldPriced Per Each
- Product TypeO-Rings
- Temperature Range-22 to 212F
- Trade / Brand NameDichtomatik
- Typical ApplicationHydraulics & Pneumatics, Industrial Machinery, Oil & Gas, belting
Overview
Mfr description
75172288 AS568-439 6-1/2"ID X7"OD X1/4"
- very good resistance to oil and gasoline; superior resistance to petroleum-based hydraulic fluids; wide range of service temperatures; good resistance to hydrocarbon solvents; very good resistance to alkalis and acids.